Alnus cf. julianiformis (STERNB.) KVAČEK et HOLÝ, 1974

Bubík, Miroslav, Doláková, Nela, Kvaček, Zlatko & Teodoridis, Vasilis, 2022, A New Early Miocene (Ottnangian) Flora Of The “ Rzehakia Beds ” From Brno-Líšeň, Fossil Imprint 78 (1), pp. 263-287 : 267-268

publication ID	https://doi.org/ 10.37520/fi.2022.010
persistent identifier	https://treatment.plazi.org/id/D343B62F-FFB6-012D-FC9B-F8AEFDF3FDEF
treatment provided by	Felipe
scientific name	Alnus cf. julianiformis (STERNB.) KVAČEK et HOLÝ, 1974
status

Treatment

Text-fig. 4a View Text-fig , Pl. 2, Fig. 3

1823 Phyllites julianaeformis STERNB. , pp. 37, 39, pl. 36, fig. 2. 1974 Alnus julianaeformis (STERNB.) KVAČEK et HOLÝ , p. 367,

text-fig. 1, pls 1, 2, 3, pl. 4, fig. 1.

M a t e r i a l. 1 specimen, Líšeň-Neklež ( MB102 ) .

D e s c r i p t i o n. Leaf fragment, 12 mm long by

22 mm wide, apex shortly acute, base not preserved, margin simple serrate, teeth acute, sinuses acute, venation simple craspedodromous, midrib strong, secondary veins thin, distinct, alternate, curved towards the apex and margin, departing from primary vein at angles of 30° to 50°, tertiary veins often straight or forked, higher order venation poorly preserved.

R e m a r k s. A. julianiformis was widely distributed in Europe during the Miocene. The leaves are usually associated with infructescences of Alnus gracilis UNGER (e.g., Knobloch and Kvaček 1996). It is a warmth-loving element with taxonomic affinities to the extant A. trabeculosa-A. formosana group of Southeast Asia ( Kovar-Eder et al. 2004). Ecologically it is a swamp or riparian element that can survive periodical long-lasting flooding ( Teodoridis 2003).